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Disclosery

GROUP ONE TRADING LLC: AMZU position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of GROUP ONE TRADING LLC on AMZU, newest first. How the timeline and the estimate are built.

GROUP ONE TRADING LLC held 32,779 AMZU shares at 2026-06-30 per its 13F-HR filed 2026-08-14.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 32,779 shares
    Change vs previous 13F +5,426 shares

    0.03% of the 13F portfolio, value $1,088,918.

    13F-HR 0000932540-26-000011 filed by GROUP ONE TRADING LLC
    Filed (acceptance time not in the bulk data set), ingested

    Acceptance time not in the bulk data set (spec §4.2).

  2. period ended2026-03-31
    13F 27,353 shares
    Change vs previous 13F -31,357 shares

    0.02% of the 13F portfolio, value $734,702.

    13F-HR 0000932540-26-000005 filed by GROUP ONE TRADING LLC
    Filed (acceptance time not in the bulk data set), ingested

    Acceptance time not in the bulk data set (spec §4.2).

  3. period ended2025-12-31
    13F 58,710 shares
    Change vs previous 13F -17,708 shares

    0.06% of the 13F portfolio, value $2,051,914.

    13F-HR 0000932540-26-000002 filed by GROUP ONE TRADING LLC
    Filed (acceptance time not in the bulk data set), ingested

    Acceptance time not in the bulk data set (spec §4.2).

  4. period ended2025-09-30
    13F 76,418 shares
    Change vs previous 13F +42,031 shares

    0.08% of the 13F portfolio, value $2,657,818.

    13F-HR 0000932540-25-000040 filed by GROUP ONE TRADING LLC
    Filed (acceptance time not in the bulk data set), ingested

    Acceptance time not in the bulk data set (spec §4.2).

  5. period ended2025-06-30
    13F 34,387 shares
    Change vs previous 13F +30,943 shares

    0.04% of the 13F portfolio, value $1,260,971.

    13F-HR 0000932540-25-000034 filed by GROUP ONE TRADING LLC
    Filed (acceptance time not in the bulk data set), ingested

    Acceptance time not in the bulk data set (spec §4.2).

  6. period ended2025-03-31
    13F 3,444 shares
    Change vs previous 13F +49 shares

    <0.01% of the 13F portfolio, value $103,182.

    13F-HR 0000932540-25-000027 filed by GROUP ONE TRADING LLC
    Filed (acceptance time not in the bulk data set), ingested

    Acceptance time not in the bulk data set (spec §4.2).

  7. period ended2024-12-31
    13F/A 3,395 shares
    Change vs previous 13F not available

    <0.01% of the 13F portfolio, value $142,658.

    13F-HR/A 0000932540-25-000028 filed by GROUP ONE TRADING LLC
    Filed (acceptance time not in the bulk data set), ingested

    Acceptance time not in the bulk data set (spec §4.2).